Excimer and Exciplex Formation in Gold(I) Complexes Preconditioned by Aurophilic Interactions.

ABSTRACT: Excimers and exciplexes are defined as assemblies of atoms or molecules A/A' where interatomic/intermolecular bonding appears only in excited states such as [A₂ ]* (for excimers) and [AA']* (for exciplexes). Their formation has become widely known because of their role in gas-phase laser technologies, but their significance in general chemistry terms has been given little attention. Recent investigations in gold chemistry have opened up a new field of excimer and exciplex chemistry that relies largely on the preorganization of gold(I) compounds (electronic configuration Au^I (5d¹⁰ )) through aurophilic contacts. In the corresponding excimers, a new type of Au⋅⋅⋅Au bonding arises, with bond energies and lengths approaching those of ground-state Au-Au bonds be

SUBMITTER: Schmidbaur H 

PROVIDER: S-EPMC7496071 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature